Researchers studied bats and rodents to identify characteristics of cross-species virus transmission. They found that viruses pass more easily between bat species than rodent species, with unique bat traits like gregariousness facilitating transmission.
Researchers at Chapman University have published two studies revealing widespread mislabeling of meat species in consumer commercial products, including ground meat and game meats. The studies identified significant discrepancies between product labels and actual species, highlighting the need for improved quality control measures.
A new study by Uppsala University researchers has found that evolution is more complex than the traditional Tree of Life model suggests. Incomplete lineage sorting, a phenomenon where genetic variation passes from one species to another, has been documented and quantified for the first time in evolutionary research.
Researchers found that species with varying color drawing are generally more numerous and fluctuate less in number from year to year. This could help explain why some insect species cause substantial damage in agriculture and forestry, as their population fluctuations were not synchronised among different species.
Research on Mount Kinabalu in Malaysian Borneo found that most endemic species are younger than the mountain itself and have evolved to adapt to cooler conditions. The study revealed two groups of unique species, with some originating from far-away areas and others evolving from local species.
Vertebrates show variation in species numbers among groups, with land animals exhibiting higher diversification rates, suggests a study by UA evolutionary biologist John Wiens. Habitat is likely a more important variable than climate or metabolic rate explaining species richness.
A team of scientists has identified potential probiotics for frogs to combat the devastating chytrid fungus. The researchers found dominant bacterial species that may provide disease resistance and antifungal properties to their host. This discovery holds promise for protecting vulnerable amphibian populations worldwide.
Researchers have identified four new highly endangered species of West African torrent-frogs, revealing a previously unknown level of molecular variation. The discovery highlights the urgent need for conservation efforts in the Upper Guinean biodiversity hotspot, where habitat loss threatens the survival of these unique species.
Marine species with wide-latitude ranges and high adult mobility are extending their territories fastest in response to climate change. This study provides new insights into how different traits impact marine animals' ability to adapt to warmer oceans.
A global study by University of Minnesota researchers found that adding nutrients to grasslands gives invasive species a leg up on native species. The study, published in Nature Communications, used data from 64 sites across 13 countries to pinpoint the role of nutrient availability and herbivore density in plant invasion.
Researchers at the University of Toronto predict which plants and animals may be vulnerable to climate change by analyzing historical data on 30 fish species in over 1,500 lakes. The study found that bass and smaller fish species can wipe out vulnerable fish species due to predation and resource competition.
A new study published in Nature Climate Change suggests that climate change will not lead to widespread interbreeding among closely related species. Only about 6 percent of species with non-overlapping ranges are likely to come into contact by the end of this century.
An international research team found that human-mediated dispersal of alien gastropods has led to a global reorganization of biogeographic patterns, with communities becoming increasingly similar across continents. Climate now plays a major role in shaping species distribution, rather than geographical distance.
A study published in PNAS estimates global species richness, finding that roughly 10% of the world's beetles have been named and described, shedding light on previous estimates. The research suggests a mean of 1.5 million beetle species and 6.8 million terrestrial arthropod species.
Queensland scientists have discovered five new species of antechinus, a 50% increase in diversity within the genus. Three of these species are already under threat from climate change, feral pests, and habitat loss, with one species destined for the threatened list.
A new human ancestor species, Australopithecus deyiremeda, has been discovered in Ethiopia that lived alongside Lucy's species. The species differs from Lucy's in terms of its thick-enamelled teeth and lower jaw architecture.
Botanists have discovered 17 new species of Eugenia plants in Madagascar, with the finds shedding light on the genus's distribution and ecological patterns. The discovery highlights the country's rich biodiversity, with many plant families yielding new species annually.
A new study from NIMBioS suggests that considering a species' selfing rate, seed dispersal distances, and reproductive type can improve seed collection effectiveness. This approach can help conserve genetic diversity and rare species, such as the Trillium tennesseense.
A recent study by University of Stirling scientist Dr. Mario Vallejo-Marin discovered a new species of monkeyflower, Mimulus peregrinus, which provides real-time insight into evolution. The species has evolved multiple times in different regions, challenging the conventional understanding of species formation.
Researchers have identified five new species of blueberry relatives in Colombia, showcasing the country's rich biodiversity. The newly discovered species exhibit unique morphological characteristics and are found primarily in the Western Cordillera and Chocó biogeographic region.
Scientists have identified two new iguanid lizard species from the Laja Lagoon in Chile, expanding our knowledge of the region's unique reptilian diversity. The study describes two new species within the Liolaemus elongatus-kriegi complex, highlighting the importance of continued research into Patagonian lizards.
A study in a California grassland reveals fundamental principles underlying disease dynamics, predicting pathogen spillover based on species relatedness. The results show that closely related species are more vulnerable to disease, while introducing rare species can create openings for less common species.
A study of disease dynamics in a California grassland reveals fundamental principles underlying the spread of pathogens among species. The researchers found that the amount of disease on each species depended on how common it was, as well as on the abundance of its close relatives.
Scientists study the spread of diseases in plant communities by analyzing relationships between plant species and estimating individual numbers. This approach allows for community-level predictions, shedding light on why some species are more vulnerable to disease.
Researchers from Uppsala University analyzed the whole genome of 40 bird species to estimate their abundance at various points in time. The study found that many species exhibit cyclical swings in numbers, often coinciding with ice ages, but human influence may push declines beyond a tipping point to extinction.
New research reveals that non-native plants are less widespread and do not outcompete native species, suggesting alternative causes for vegetation change. High diversities of native and non-native plant species coexist in locations with high native species diversity.
A study by University of Cambridge researchers found that closely-related fruit fly species show similar levels of virulence when infected with an RNA virus. The team's findings suggest a simple rule of thumb: if a pathogen causes high levels of mortality in one host, it may also be deadly in closely-related hosts.
Researchers in Georgia have discovered a new tick species, Dermacentor limbooliati, found in Malaysia and Vietnam. The species can be distinguished from similar ones by several characteristics.
A new study reveals that female killifish avoid mating with males of closely related species and also tend to shun males of their own species if they come from an unfamiliar population. This phenomenon, called cascade reinforcement, can lead to the early stages of speciation.
A new species of water frog, Telmatobius ventriflavum, was discovered in central Peru. The species' golden yellow and orange coloration helps identify it as a unique addition to the Andean biodiversity hotspot.
A new analysis finds that ocean acidification could significantly impact up to 21-32% of calcifying marine species, including coral, clams, and sea urchins. This widespread impact could have far-reaching consequences for ecosystems worldwide, as these species provide essential nursery habitats and food sources for other marine organisms.
A new study by the University of Sheffield has found that 20-25% of well-known sea species are threatened with extinction. The research highlights the need for more comprehensive assessments of marine species, which currently have been completed for only three percent of cases.
The EU's new regulation on invasive alien species aims to combat one of the greatest threats to biodiversity, with around 12,000 species currently in the EU. The legislation incorporates the findings of the DAISIE research project and will list prioritized species for transnational threats.
A new species of obligate cave-dwelling flatworm was recently discovered in the Brazilian savanna, providing insight into the rich biodiversity of Brazilian caves. The species, Girardia multidiverticulata, has a unique reproductive apparatus that distinguishes it from other related species.
A new species of assassin bug, Sinea incognita, has been discovered in the Midwestern United States after remaining undiscovered for over 100 years. The new species was identified by Dr. J.E. McPherson and is distinct from its close relatives, Sinea complexa and Sinea integra.
A new trout species, Salmo kottelati, has been described from the Alakır Stream in Antalya, Turkey. The species is distinguished by its smaller parr marks, larger mouth gape, and maxilla, which set it apart from other genera of salmonids.
A study from Purdue University reveals that invasive species can transform landscapes in various ways, including altering sedimentation rates and changing stream channels. The review highlights the importance of identifying high-risk areas and understanding the impacts of invasive microbial organisms.
A new method called statistical binning has been developed to help researchers construct more accurate species trees detailing the lineage of genes and relationships between species. By combining gene data using statistical optimization techniques, scientists can use all available data without having to throw away any.
Researchers studied molecular tools to understand the influence of the Isthmus of Panama on freshwater shrimps. The results showed that sister species remained genetically isolated despite potential crossing through a channel.
Researchers uncovered a third unknown species of freshwater shrimp, similar to Palaemon ivonicus, with genetic data revealing divergent lineages about 10 million years ago. This study highlights the importance of molecular tools for discovering new species in complex environments like Amazonia.
Scientists from the Natural History Museum of Los Angeles describe a new distinctive fly species of the highly diverse genus Megaselia. The study proposes an innovative method for streamlining Megaselia species descriptions to save time on literature reviews and comparisons.
A University of Tennessee, Knoxville study reveals that saving endemic species is crucial for maintaining ecosystem balance and biodiversity. Endemic species have evolved unique traits to survive in harsh environments, which can impact neighboring species.
A new species of leopard frog, Rana kauffeldi, has been identified in the New York City metropolitan area through a combination of acoustic and genetic data. The species is found in open-canopied wetlands with upland patches and its range extends from central Connecticut to northeastern North Carolina.
A study by Chapman University's Food Science Program has identified 20 commercial pet foods that were potentially mislabeled, containing undeclared meat species such as pork. The research focused on the presence of eight meat species in dog and cat food products, with chicken being the most common detected species.
The Mediterranean is invaded by over 1,000 alien species, including fish and algae, threatening native biodiversity. Invasive species disrupt delicate balances in ecosystems, causing devastating effects on animal species.
A new poison dart frog species, Andinobates geminisae, has been discovered in Donoso, Panama. Genetic sequencing confirms it is a distinct species from another known poison dart frog, Oophaga pumilio.
Research by Queen's University biologist Paul Martin found that smaller bird species can overcome size disadvantages when interacting with distantly related species. The study examined 23,362 aggressive interactions among 246 bird species pairs and identified specific traits that enhance small species' abilities in conflicts.
Researchers used DNA sequencing to rapidly identify and describe three new fungal species found in a local grocery store packet of porcini mushrooms. The study demonstrates the feasibility of accelerating the documentation and description of new Fungi species, highlighting the need for further identification efforts.
A recent study found that many reef fish species carry out unique and essential roles, making ecosystem vulnerability to loss of those species high. The researchers argue that protecting these specialist species is crucial to maintaining ecosystem health.
Scientists analyzed depictions of animals in ancient Egyptian artifacts to reconstruct the large mammal community that lived in the Nile Valley. The study found that species extinctions led to a decline in ecosystem stability, with only eight species remaining today compared to 37 six millennia ago.
A study found that modern methods for predicting species distributions under climate change often leave out rare and threatened species. In Africa, over 90% of listed species are missed by popular tools, despite these species being critical to conservation efforts.
The TX Invasives app allows users to identify 56 invasive plants, 25 insect species, 19 animals, and four pathogens. Citizen scientists have reported over 17,000 invasive species observations since 2005, aiding in management decisions and responding to new threats.
A newly discovered species of ant, Mycocepurus castrator, has been found to support the theory of sympatric speciation, where a new species develops within a single colony. The research team found that the parasitic ants were genetically close to their host, but no longer reproductively compatible and had stopped reproducing together 3...
A recent study published in PLOS ONE has found that older Caribbean coral species exhibit fewer diseases and better immunity than newer species. Researchers examined 140 samples of 14 species, including the ancient Porites astreoides coral, which has been around for over 200 million years.
A new species of Boophis rappiodes group, Boophis ankarafensis, has been described from the hidden streams of Ankarafa Forest in northwest Madagascar. The species is characterized by high genetic divergence and a unique call with a double click.
A new study from Dartmouth College suggests that climate warming can affect the success of invasive species in different ways. The research found that warmer temperatures can favor non-native crustacean zooplankton by increasing their growth rate and making them less vulnerable to predators.
The Reptile Database has recorded over 10,000 known species, making it the most diverse vertebrate group after fish and bird species. The 10,000th species, Cyrtodactylus vilaphongi, is a tiny gecko discovered in Laos.
When worms mate with different species, their bodies are unable to tolerate the aggressive sperm, resulting in sterility and death. The sperm's premature fertilization of eggs and subsequent damage to the ovaries lead to these outcomes.
A new study found large differences in survival rates of 12 shark species caught by commercial longline fishing operations. The most vulnerable species include bigeye thresher, dusky, and scalloped hammerhead sharks.
A new study by Petri Kärenlampi refines the biological evolution model by incorporating species interactions and varying degrees of symmetry. The results show that anti-symmetric interactions lead to large, stable ecosystems, while symmetric systems remain small.